131330231211 has 16 divisors (see below), whose sum is σ = 179825270688. Its totient is φ = 85204992000.

The previous prime is 131330231209. The next prime is 131330231239. The reversal of 131330231211 is 112132033131.

It is a happy number.

It is not a de Polignac number, because 131330231211 - 2¹ = 131330231209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131330231411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282006 + ... + 1380651.

It is an arithmetic number, because the mean of its divisors is an integer number (11239079418).

Almost surely, 2^131330231211 is an apocalyptic number.

131330231211 is a deficient number, since it is larger than the sum of its proper divisors (48495039477).

131330231211 is a wasteful number, since it uses less digits than its factorization.

131330231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663102.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131330231211 its reverse (112132033131), we get a palindrome (243462264342).

The spelling of 131330231211 in words is "one hundred thirty-one billion, three hundred thirty million, two hundred thirty-one thousand, two hundred eleven".